 #top-bar{
        margin-top: 30px;
        width: 80%;
        height: 50px;
        margin-left: 10%;
    }
    .breadcrumb > li + li:before {
    height: 100%;
    color: #b6b6b6;
    content: "> ";
    padding: 0 5px;
    }
    .zhuanti1,.zhuanti2,.zhuanti3{
        width: 80%;
        height: 400px;
        background: red;
        margin-left: 10%;
    }
    .zhuanti2,.zhuanti3{
        margin-top: 20px;
    }
    .zhuanti1 img{
        width: 100%;
        height: 100%;
    }
    .zhuanti2 img{
        width: 100%;
        height: 100%;
    }
    .zhuanti3 img{
        width: 100%;
        height: 100%;
    }
    
    .zhuanti-btm{
        width: 100%;
        height: 50px;
    }